I wonder if we can note York for 2028?
Article April 2023City of York: Historic Urban Core (United Kingdom)Reports from 2022-2023 indicate various hopeful inscription dates, the earliest being 2026, but more indicating 2027 or 2028. While speculative, York does seem to be the frontrunner from the UK's updated Tentative List.
We also know Korea's
Sites of the Busan Wartime Capital is aiming for 2028.
City Walls of the Ming and Qing Dynasties (China)In November there was the "International Academic Symposium on Military Defense and Heritage Protection of Ancient City Walls" held in Nanjing. Furthermore, we have all of China's nominations for 2024 to 2027 scheduled (with some confidence). So, there are some logical reasons to believe China's City Wall nomination could be submitted in time for 2028.
"With the end of the COVID-19 epidemic, the application work of China's Ming and Qing City Walls projects is also rapidly resuming and progressing. It is hoped that China's Ming and Qing City Walls projects will be officially recognized in the near future."
https://pdf.hanspub.org/SD20240300000_96095910.pdf